Anisus (Anisus) crassilabrum (Morelet, 1860) accepted as Hovorbis crassilabrum (Morelet, 1860) (basis of record)
Biomphalaria madagascariensis (E. A. Smith, 1882) accepted as Biomphalaria pfeifferi (Krauss, 1848) (basis of record)
Bulinus (Pyrgophysa) mariei (Crosse, 1879) accepted as Bulinus forskalii (Ehrenberg, 1831) (basis of record)
Bulinus liratus (Tristram, 1863) (additional source)
Byssanodonta degorteri Kuiper, 1954 accepted as Eupera degorteri (Kuiper, 1954) (basis of record)
Caelatura (Zairia) geayi (Germain, 1911) accepted as Coelatura geayi (Germain, 1911) accepted as Germainaia geayi (Germain, 1911) (basis of record)
Caelatura malgachensis (Germain, 1911) accepted as Coelatura malgachensis (Germain, 1911) (basis of record)
Cerithidea decollata (Linnaeus, 1767) (additional source)
Cleopatra amaena (Morelet, 1851) accepted as Cleopatra ferruginea (I. Lea & H. C. Lea, 1851) (basis of record)
Cleopatra colbeaui (Craven, 1880) (additional source)
Cleopatra grandidieri (Crosse & P. Fischer, 1872) (additional source)
Cleopatra madagascariensis (Crosse & P. Fischer, 1872) (additional source)
Clithon brevispina (Lamarck, 1822) accepted as Clithon corona (Linnaeus, 1758) (basis of record)
Clithon longispinum (Récluz, 1841) accepted as Clithon coronatum Leach, 1815 (additional source)
Clithon madecassinum (Morelet, 1860) (additional source)
Clithon spiniperda (Morelet, 1860) accepted as Clithon madecassinum (Morelet, 1860) (basis of record)
Corbicula madagascariensis E. A. Smith, 1882 (additional source)
Corbicula sikorae Ancey, 1890 accepted as Corbicula madagascariensis E. A. Smith, 1882 (basis of record)
Doryssa (Melania) audiberti Mousson, 1882 accepted as Madagasikara spinosa (Lamarck, 1822) accepted as Pirena madagascariensis Lamarck, 1816 (source of synonymy)
Etheria elliptica Lamarck, 1807 (additional source)
Euglesa casertana (Poli, 1791) (additional source)
Eupera degorteri (Kuiper, 1954) (additional source)
Eupera ferruginea (Krauss, 1848) (additional source)
Ferrissia modesta (Crosse, 1880) accepted as Pettancylus modestus (Crosse, 1880) (additional source)
Gyraulus (Caillaudia) apertus (E. von Martens, 1897) accepted as Afrogyrorbis apertus (E. von Martens, 1897) (additional source)
Lanistes ovum var. grasseti (Morelet, 1863) accepted as Lanistes grasseti (Morelet, 1863) (basis of record)
Melanatria fluminea (Gmelin, 1791) accepted as Madagasikara spinosa (Lamarck, 1822) accepted as Pirena madagascariensis Lamarck, 1816 (additional source)
Melanoides tuberculata (O. F. Müller, 1774) (additional source)
Nerita pulligera var. knorri Récluz, 1841 accepted as Neritina knorri (Récluz, 1841) (basis of record)
Neritilia consimilis (E. von Martens, 1879) accepted as Neritilia rubida (Pease, 1865) (additional source)
Neritina (Neripteron) auriculata Lamarck, 1816 accepted as Neripteron auriculatum (Lamarck, 1816) (additional source)
Neritina gagates Lamarck, 1822 accepted as Vittina gagates (Lamarck, 1822) (additional source)
Neritina turrita (Gmelin, 1791) accepted as Vittina turrita (Gmelin, 1791) (additional source)
Pila cecillei (R. A. Philippi, 1849) (additional source)
Pisidium betafoense Kuiper, 1953 (basis of record)
Pisidium edouardi Kuiper, 1953 accepted as Euglesa casertana (Poli, 1791) (additional source)
Pisidium johnsoni E. A. Smith, 1882 (basis of record)
Pisidium pauliani Kuiper, 1953 accepted as Pisidium johnsoni E. A. Smith, 1882 (source of synonymy)
Pisidium reticulatum Kuiper, 1966 (additional source)
Radix hovarum (Tristram, 1863) accepted as Radix natalensis (Krauss, 1848) (basis of record)
Segmentorbis angustus (Jickeli, 1874) (additional source)
Septaria borbonica (Bory de Saint-Vincent, 1804) accepted as Septaria porcellana borbonica (Bory de Saint-Vincent, 1804) (additional source)
Septaria lineata (Lamarck, 1816) accepted as Septaria tesselata (Lamarck, 1822) accepted as Septaria tessellaria (Lamarck, 1816) (additional source)
Smaragdia rangiana (Récluz, 1841) (additional source)
Smaragdia souverbiana (Montrouzier, 1863) (additional source)
Sphaerium madagascariense (Tristram, 1863) (basis of record)
Thiara amarula (Linnaeus, 1758) (additional source)
Viviparus unicolor (Olivier, 1804) accepted as Bellamya unicolor (Olivier, 1804) (basis of record)

Indonesia for Neritina turrita (Gmelin, 1791) 
Madagascar for Anisus (Anisus) crassilabrum (Morelet, 1860) 
Madagascar for Bulinus (Pyrgophysa) mariei (Crosse, 1879) 
Madagascar for Byssanodonta degorteri Kuiper, 1954 
Madagascar for Cerithidea decollata (Linnaeus, 1767) 
Madagascar for Corbicula sikorae Ancey, 1890 
Madagascar for Etheria elliptica Lamarck, 1807 
Madagascar for Euglesa casertana (Poli, 1791) 
Madagascar for Eupera ferruginea (Krauss, 1848) 
Madagascar for Ferrissia modesta (Crosse, 1880) 
Madagascar for Lanistes ovum var. grasseti (Morelet, 1863) 
Madagascar for Melanatria fluminea (Gmelin, 1791) 
Madagascar for Melanoides tuberculata (O. F. Müller, 1774) 
Madagascar for Neritilia consimilis (E. von Martens, 1879) 
Madagascar for Neritina (Neripteron) auriculata Lamarck, 1816 
Madagascar for Neritina gagates Lamarck, 1822 
Madagascar for Pisidium johnsoni E. A. Smith, 1882 
Madagascar for Pisidium pauliani Kuiper, 1953 
Madagascar for Radix hovarum (Tristram, 1863) 
Madagascar for Segmentorbis angustus (Jickeli, 1874) 
Madagascar for Septaria borbonica (Bory de Saint-Vincent, 1804) 
Madagascar for Septaria lineata (Lamarck, 1816) 
Madagascar for Smaragdia souverbiana (Montrouzier, 1863) 
Madagascar for Thiara amarula (Linnaeus, 1758) 
Madagascar for Viviparus unicolor (Olivier, 1804)  (doubtful)